Edriophthalma

‖Ed′ri‐oph‐thal″ma (?), n. pl. [NL., fr. Gr. εδραἱ̑οσ steadfast + οφθαλμὄσ the eye.] (Zoöl.) A group of Crustacea in which the eyes are without stalks; the Arthrostraca. [Written also Edriophthalmata.]